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发明名称
Lubricants
摘要
申请公布号
US2665252(A)
申请公布日期
1954.01.05
申请号
US19480051306
申请日期
1948.09.25
申请人
THE LUBRIZOL CORPORATION
发明人
PRUTTON CARL F.
分类号
主分类号
代理机构
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